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Heart|Lab Grown|IGI

1.51ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG459130247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG459130247

Diamond specifications and retailer prices

From $209 USD
As of October 27, 2026
Save $1,801 USD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,010 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG459130247 or 459130247. Listed at 8 retailers as of October 27, 2026, with prices from $209 to $2,010, a $1,801 spread on the same certified stone. Do Amore Diamonds lists it at $2,010. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459130247
Dimensions7.92 × 6.78 × 4.54 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.92 mm6.78 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459130247
Side View
Table 60.5%Crown 35.8°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 57.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,010 USD|Low: $159 USD|High: $2,050 USD|Avg: $744 USD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 4$209 USD
Retailer 6$234 USD
Retailer 5$446 USD
Retailer 7$482 USD
Retailer 8$520 USD
Retailer 9$581 USD
Retailer 10$744 USD
Retailer 3$837 USD
Retailer 2$1,149 USD
Do Amore Diamonds$2,010 USD

12 data points across 10 retailers

8 retailers$209 USD to $2,010 USD

A
Cheapest Retailer
-
$209 USD
A
Retailer 2
-
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$243 USD
View
B
Retailer 4
-
$446 USD
View
B
Retailer 5
-
$837 USD
View
B
Retailer 6
-
$920 USD
View
B
Retailer 7
-
$1,149 USD
£905 GBP
View
Most Expensive
C
Do Amore Diamonds
27-3A9B3D2D2 · Oct 29
$2,010 USD
View
7 more retailers have this diamond
Prices start from $209 USDSave up to $1,801 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Heart
$209 USD